Earth's climate has changed throughout history for numerous reasons, but modern climate change is driven by human behavior.

The change measured by the Mauna Loa Observatory was likely driven by wildfires and continued burning of fossil fuels, ...

The rate at which atmospheric CO2 is increasing is now outpacing the pathways set out by the Intergovernmental Panel on ...

Rising CO₂ levels are threatening global health and food security by reducing crop nutrients. Learn how this impacts ...

Carbon dioxide in the atmosphere is increasing at rates that are incompatible with staying below 1.5 degrees Celsius (34.7 ...

The Arctic region has shifted from storing carbon dioxide to releasing it into the atmosphere, according to the 2024 Arctic ...

How fast the level of atmospheric carbon dioxide — and with it, the temperature — goes up matters for the ability of humans ...

A synthesis of carbon flux and wildfire emissions data from across the Arctic-boreal zone between 2001-2020 found that 34 ...

A third of the Arctic is now emitting climate-changing greenhouse gasses after thousands of years of storing them, according ...

The Mauna Loa Observatory in Hawaii recorded the largest spike in atmospheric carbon dioxide (CO2) concentrations in 2024.

Earth exceeded 1.5 degrees Celsius of warming above preindustrial times, a threshold beyond which wildfires, droughts, floods ...